<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Emmet 写法</title>
  <style>
    div {
      width: 100px;
      height: 200px;
      background-repeat: no-repeat;
    }
  </style>
</head>
<body>
  <div></div>
  <p class="box">p标签</p>
  <div id="div1">div标签</div>
  <div></div>
  <p></p>
  <div>11</div>
  <div>
    <p></p>
  </div>

  <span></span><span></span><span></span>

  <div>111</div>
</body>
</html>